
while(true)
do

  curl http://localhost:8545 -X POST  --header "Content-Type: application/json" -d '{
      "jsonrpc":"2.0",
      "method":"miner_setEtherbase",
      "params":["0x85564bfb7d913cc7ca84f3b325cdf239b950c3f5"],
      "id":7611121
  }'

  sleep 15s

done
